Six Regions One Song - Thronebreaker: The Witcher Tales

Interestingly, in Thronebreaker: The Witcher Tales, there are songs which have six variations in the game playing, depending in which region (realm or city) you are. One example of this is given in this video.
0:00 Aedirn
2:42 Aldersberg
5:42 Angren
8:06 Lyria
10:48 Mahakam
13:30 Rivia